BALL COCK ADAPTER - 1/2" X 7/8"This Watts push-fit ball cock adapter connects a 1/2" supply line (PEX, CPVC, or copper) to a standard 7/8" toilet fill valve or ball cock without any tools. The connection rotates under pressure, allowing easy alignment during installation, and the water-tight seal is rated for reliable long-term performance.
- Push-fit connection requires no tools for installation or removal
- Compatible with PEX, CPVC, and copper 1/2" supply lines
- 1/2" supply inlet x 7/8" ball cock or fill valve outlet
- Rotates under pressure for easy alignment
- Rated 250 PSI at 75 deg F; 100 PSI at 180 deg F
- Water-tight connection for reliable long-term performance
Tip: Cut your supply line cleanly and insert it fully into the fitting. To remove, press the release collar while pulling the tube out.